n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 37 |
3 | 233 |
4 | 1491 |
5 | 9660 |
6 | 63195 |
7 | 416610 |
8 | 2763595 |
9 | 18426026 |
10 | 123375927 |
11 | 829053197 |
12 | 5588050069 |
13 | 37764371676 |
14 | 255800207277 |
15 | 1736181639585 |
16 | 11804962371795 |
17 | 80394249836010 |
18 | 548283258074895 |
19 | 3744067955618403 |
20 | 25596986050620681 |
[1,6,37,233,1491,9660,63195,416610,2763595, 18426026,123375927,829053197,5588050069, 37764371676,255800207277,1736181639585, 11804962371795,80394249836010,548283258074895, 3744067955618403,25596986050620681] |